by P. Bradshaw, and R. F. Johnson. [by] M. Abercrombie, C. J. Hickman and M. L. Johnson. by M. Abercrombie, C.J. Hickman, and M.L. Johnson. by R. E. D. Bishop and D. C. Johnson. C. J. Bostock and A. T. Sumner. G. Herdan and M. L. Smith. H.L. Capron, J.A. Johnson. P.G. Drazin, R.S. Johnson. [by] John L. Hilburn [and] David E. Johnson. by K. J. Binns and P. J. Lawrenson.